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These are scripts that can be run without modification in both user and kernel modes to collect information from user and kernel spaces. For example, we want to collect thread stack traces for CARE system and we have different kinds of memory dumps stored on our computer. There is no a single command that can show stack traces for all threads in a process and kernel / complete memory dumps. However, we can combine separate mode-sensitive commands in one script:

.kframes 1000
!for_each_thread !thread @#Thread 1f
~*kv

The first command eliminates the common mistake of truncated traces. The second command fails for process user memory dumps but shows full 3-parameter stack trace for every thread in a system including user space thread stack counterpart for complete memory dumps after switching to the appropriate process context if any. The third command fails for kernel and complete memory dumps but lists stack traces for each thread in a process user memory dump. Therefore, we have just one script that we can run against all memory dumps.

- Dmitry Vostokov @ DumpAnalysis.org + TraceAnalysis.org -  

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This entry was posted on Friday, January 29th, 2010 at 12:13 am and is filed under Crash Analysis Report Environment (CARE), Crash Dump Analysis, Crash Dump Patterns, Debugging, WinDbg Scripts, WinDbg Tips and Tricks. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.